Wednesday, Feb. 28, 2024 at 9:30 p.m. on KPBS TV / Stream now with KPBS Passport! Learn about the science of DNA and the role genetics plays in our longevity, and well-being. Hosted by author, educator and genetic genealogist Diahan Southard, and including interviews with noted biologists and researchers, the program explains why genealogical science is critical to understanding who we really are, and how it can help us make smarter, more informed choices about our health.